P-5

Ancillary Services Prices, Day Ahead Market

04/24/2007

Time StampEastWest
10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)10 Min Spinning Reserve ($/MWHr)10 Min Non-Synchronous Reserve ($/MWHr)30 Min Operating Reserve ($/MWHr)Regulation ($/MWHr)
00:000.250.250.25450.250.250.2545
01:000.20.20.2450.20.20.245
02:000.20.20.2450.20.20.245
03:000.20.20.2450.20.20.245
04:000.20.20.2450.20.20.245
05:000.250.250.25450.250.250.2545
06:000.840.840.25650.250.250.2565
07:00750.580750.580
08:0011.2550.58070.750.580
09:0016.510256.58.52256.5
10:0016.510256.58.52256.5
11:0016.510256.58.52256.5
12:0019.14100.5655.067.060.560.5655.06
13:0018.81100.55070.50.550
14:0016.5100.55070.50.550
15:0016.5100.55070.50.550
16:0019.2100.55070.50.550
17:0016.5100.55070.50.550
18:0012.6100.55074.40.550
19:0016.5100.55070.50.550
20:0016.510256.58.52256.5
21:0010100.555770.555
22:00770.550770.550
23:000.250.250.25500.250.250.2550